Product information:

Material: Aluminum alloy parts
Color: RD-TZ31A eye dial
SHIMANO Shimano TZ31 TY21 rear derailleur
Mountain bike rear derailleur 6/7 speed eye dial hook dial
Stable shifting performance
Double tension structure
Engineering Design

Features:

Feel smooth
Engineering Design
Lightweight design
Original factory production
Stable structure
Quality assurance
Strong compatibility
Corrosion resistance

Packing list:

1*transmission